#include<stdio.h>
int main(void)
{
  int a[10];
  int i;
  scanf("%i", &i);
  //int i=getchar();
  printf("%d\n", i);


  // check should be here; possibly causing an exception
  a[i]=2;
  if(i < 5)
    // redundant
    a[i]=20;
  else
    // redundant
    a[i]=15;
  return 0;
}
